Question: Who is the parent of John ll Komnenos having death place at Constantinople?
Paraphrase: Who is the mum or dad of John ll Komnenos having death area at Constantinople?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q41628 wdt:P25 ?answer . ?answer wdt:P20 wd:Q16869}
Answer: Irene Doukaina